Horse Sense:The two main gear types offered in the Pro GF/T5 are straight cut and helical cut. The straight-cut-or spur-gear is strong, but it isn't the most streetable as you can't downshift the box ...

This is the era of the manual transmission. Sure, automatics are easy and comfortable, but there's nothing like rowing through a sweet five-speed and listening to a motor sing through the gears. For ...

One of the most popular drivetrain mods done to early Mustangs is to swap out the non-overdriven three- and four-speed transmissions with the later-model overdrive T-5 five-speed. Not only does the ...

It seems like every few years, the OEMs are able to tack on another gear to the latest transmission offerings. For the longest time, an overdrive automatic meant a four-speed box. Then the five-speed ...